This web site uses drupal 8, the drupal pages refer to drupal 7. Examples will not work, guest login is not enabled.


Sometimes it is necessary to empty caches:

  • drupal cache: admin->configuration->performance->clear all caches
  • firefox cache: menu->preferences->advanced->Network->Cached web content Clear Now
  • chrome cache: menu->More tools->Clear browsing data->check at least: Cached images and files->Clear browsing data